skip to main content
DOE Patents title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: REACTOR MODERATOR STRUCTURE

Abstract

An improved moderator structure for nuclear reactors consists of moderator blocks arranged in horizontal layers to form a multiplicity of vertically stacked columns of blocks. The blocks in each vertical column are keyed together, and a ceramic grid is disposed between each horizontal layer of blocks. Pressure plates cover- the lateral surface of the moderator structure in abutting relationship with the peripheral terminal lengths of the ceramic grids. Tubular springs are disposed between the pressure plates and a rigid external support. The tubular springs have their axes vertically disposed to facilitate passage of coolant gas through the springs and are spaced apart a selected distance such that at sonae preselected point of spring deflection, the sides of the springs will contact adjacent springs thereby causing a large increase in resistance to further spring deflection. (AEC)

Inventors:
;
Issue Date:
Research Org.:
Originating Research Org. not identified
OSTI Identifier:
4674744
Patent Number(s):
3100188
Assignee:
U.S. Atomic Energy Commission DTIE; NSA-17-033300
NSA Number:
NSA-17-033300
Resource Type:
Patent
Resource Relation:
Other Information: Orig. Receipt Date: 31-DEC-63
Country of Publication:
United States
Language:
English
Subject:
REACTOR TECHNOLOGY; CERAMICS; CONFIGURATION; DEFORMATION; GAS COOLANT; LAYERS; MACHINE PARTS; MECHANICAL STRUCTURES; MODERATORS; PLATES; PRESSURE; REACTORS; SPRINGS; SURFACES

Citation Formats

Fraas, A.P., and Tudor, J.J. REACTOR MODERATOR STRUCTURE. United States: N. p., 1963. Web.
Fraas, A.P., & Tudor, J.J. REACTOR MODERATOR STRUCTURE. United States.
Fraas, A.P., and Tudor, J.J. Thu . "REACTOR MODERATOR STRUCTURE". United States.
@article{osti_4674744,
title = {REACTOR MODERATOR STRUCTURE},
author = {Fraas, A.P. and Tudor, J.J.},
abstractNote = {An improved moderator structure for nuclear reactors consists of moderator blocks arranged in horizontal layers to form a multiplicity of vertically stacked columns of blocks. The blocks in each vertical column are keyed together, and a ceramic grid is disposed between each horizontal layer of blocks. Pressure plates cover- the lateral surface of the moderator structure in abutting relationship with the peripheral terminal lengths of the ceramic grids. Tubular springs are disposed between the pressure plates and a rigid external support. The tubular springs have their axes vertically disposed to facilitate passage of coolant gas through the springs and are spaced apart a selected distance such that at sonae preselected point of spring deflection, the sides of the springs will contact adjacent springs thereby causing a large increase in resistance to further spring deflection. (AEC)},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1963},
month = {8}
}